I am seing a helper table with user-specific column here. Or use the users table with user-specific.
Or, you can create your own navigation header with a component and custom CSS. Just don’t forget to force the will-change property on the main container of the app to be unset !important.
You will see what I am talking about here: CSS to get a component on top of the Desktop Nav Bar - #8 by MaximeBaker
How many screen to you want to have?